<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <div class="title-container">
        <h3 v-show="isLogin" class="title">登录</h3>
        <h3 v-show="!isLogin" class="title">注册</h3>
      </div>

      <el-form-item v-show="!isLogin" prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="registerForm.username"
          placeholder="用户名"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="identifier">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          v-show="isLogin"
          ref="identifier"
          v-model="loginForm.identifier"
          placeholder="用户名或邮箱"
          name="identifier"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
        <el-input
          v-show="!isLogin"
          ref="identifier"
          v-model="registerForm.email"
          placeholder="用户名或邮箱"
          name="identifier"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          v-show="isLogin"
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <el-input
          v-show="!isLogin"
          :key="passwordType"
          ref="password"
          v-model="registerForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleRegister"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
      <el-button v-if="isLogin" :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
      <el-button v-if="!isLogin" :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleRegister">注册</el-button>
      <el-row type="flex" justify="space-between">
        <div class="tips">
          <span style="margin-right:20px;">identifier: admin</span>
          <span> password: adminadmin</span>
        </div>
        <div v-show="isLogin" class="register" @click="isLogin=false">注册</div>
        <div v-show="!isLogin" class="register" @click="isLogin=true">登录</div>
      </el-row>
    </el-form>
  </div>
</template>

<script>
import { registerEmployess } from '@/api/employees'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        identifier: 'scyt@qq.com',
        password: '123456'
      },
      registerForm: {
        username: 'myName', // 用户名
        email: 'myEmailAddress@abc.com', // 电子邮箱，比如 example@qq.com
        password: 'adminadmin' // 密码
      },
      loginRules: {
        identifier: [{ required: true, trigger: 'blur', message: '账号不能为空' }],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      isLogin: true
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 登录
    async  handleLogin() {
      try {
        // 表单验证
        await this.$refs.loginForm.validate()
        // 调用仓库登录设置token
        await this.$store.dispatch('user/login', this.loginForm)
        this.$router.push('/')
      } catch (err) {
        this.$message.error('用户名或密码错误！')
        console.log(err)
      }
    },
    // 注册
    async  handleRegister() {
      try {
        await registerEmployess(this.registerForm)
        this.$message.success('注册成功')
        this.isLogin = true
      } catch (error) {
        this.$message.error('注册失败')
      }
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray: #68b0fe;  // 将输入框颜色改成蓝色
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background: url('https://s1.ljcdn.com/feroot/pc/asset/img/home/bannerV2.jpg') no-repeat; // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  background-size:cover;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        // box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
    input:-webkit-autofill,
    input:-webkit-autofill:hover,
    input:-webkit-autofill:focus,
    input:-webkit-autofill:active {
        -webkit-transition-delay: 99999s;
        -webkit-transition: color 99999s ease-out, background-color 99999s ease-out;
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
   .el-form-item__error {
    color: #fff
  }
  .loginBtn {
    background: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
  }

}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .register{
    font-size: 18px;
    color: #fff;
    cursor: pointer;
  }
}
</style>
